@dfinity/agent
Version:
JavaScript and TypeScript library to interact with the Internet Computer
93 lines • 3.29 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
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Object.defineProperty(o, k2, desc);
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if (k2 === undefined) k2 = k;
o[k2] = m[k];
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Cbor = exports.ToCborValue = void 0;
exports.encode = encode;
exports.decode = decode;
const principal_1 = require("@dfinity/principal");
const cbor = __importStar(require("@dfinity/cbor"));
const errors_ts_1 = require("./errors.js");
const index_ts_1 = require("./agent/index.js");
/**
* Used to extend classes that need to provide a custom value for the CBOR encoding process.
*/
class ToCborValue {
}
exports.ToCborValue = ToCborValue;
function hasCborValueMethod(value) {
return typeof value === 'object' && value !== null && 'toCborValue' in value;
}
/**
* Encode a JavaScript value into CBOR. If the value is an instance of {@link ToCborValue},
* the {@link ToCborValue.toCborValue} method will be called to get the value to encode.
* @param value The value to encode
*/
function encode(value) {
try {
return cbor.encodeWithSelfDescribedTag(value, value => {
if (principal_1.Principal.isPrincipal(value)) {
return value.toUint8Array();
}
if (index_ts_1.Expiry.isExpiry(value)) {
return value.toBigInt();
}
if (hasCborValueMethod(value)) {
return value.toCborValue();
}
return value;
});
}
catch (error) {
throw errors_ts_1.InputError.fromCode(new errors_ts_1.CborEncodeErrorCode(error, value));
}
}
/**
* Decode a CBOR encoded value into a JavaScript value.
* @param input The CBOR encoded value
*/
function decode(input) {
try {
return cbor.decode(input);
}
catch (error) {
throw errors_ts_1.InputError.fromCode(new errors_ts_1.CborDecodeErrorCode(error, input));
}
}
// Not strictly necessary, we're just keeping it for backwards compatibility.
exports.Cbor = {
encode,
decode,
};
//# sourceMappingURL=cbor.js.map